PD scale: 50mm～80mm
Net weight: 61g
Knobs fastened with screws
Back lens holders of round corners
Easily-shaped ear rests
Available for 5pieces trial lenses to be inserted at each side
Shanghai Jianongda International Group
No.383,East Huancheng Road,Fengpu Industrial Zone,Fengxian,Shanghai,China.
0086-21-5740-7426/6715-8578
info@jianongda.comjianongda@vip.sina.com